Police are releasing more information on yesterday's shooting at Clackamas Town Center mall that killed three people, including the shooter. Authorities say the unidentified gunman had no connection to the two people he fatally shot and wanted to kill as many people as possible. The first 911 call came at 3:29 p.m. Tuesday. The first officers arrived a minute later. By 3:51 p.m., all the victims and the gunman and rifle had been found. Police said they had tentatively identified the gunman but would not release his name or give any information on a possible motive. The mall will remain closed today.